package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 修改购物车已存在商品的数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time)"
            + "values"
            +" (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void cleanAllByUserId(Long currentId);


    /**
     * 根据id删除购物车数据
     * @param Id
     */
    @Delete("delete from shopping_cart where id=#{id}")
    void deleteById(Long Id);
}
